<template>
    <view class="uni-date">
        <view class="uni-date-editor" @click="show">
            <slot>
                <view class="uni-date-editor--x" :class="{'uni-date-editor--x__disabled': disabled,'uni-date-x--border': border}">
                    <view v-if="!isRange" class="uni-date-x uni-date-single">
                        <uni-icons class="icon-calendar" type="calendar" color="#c0c4cc" size="22"></uni-icons>
                        <view class="uni-date__x-input">{{ displayValue || singlePlaceholderText }}</view>
                    </view>

                    <view v-else class="uni-date-x uni-date-range">
                        <uni-icons class="icon-calendar" type="calendar" color="#c0c4cc" size="22"></uni-icons>
                        <view class="uni-date__x-input text-center">{{ displayRangeValue.startDate || startPlaceholderText }}</view>

                        <view class="range-separator">{{rangeSeparator}}</view>

                        <view class="uni-date__x-input text-center">{{ displayRangeValue.endDate || endPlaceholderText }}</view>
                    </view>

                    <view v-if="showClearIcon" class="uni-date__icon-clear" @click.stop="clear">
                        <uni-icons type="clear" color="#c0c4cc" size="22"></uni-icons>
                    </view>
                </view>
            </slot>
        </view>

        <view v-show="pickerVisible" class="uni-date-mask--pc" @click="close"></view>

        <view v-if="!isPhone" v-show="pickerVisible" ref="datePicker" class="uni-date-picker__container">
            <view v-if="!isRange" class="uni-date-single--x" :style="pickerPositionStyle">
                <view class="uni-popper__arrow"></view>

                <view v-if="hasTime" class="uni-date-changed popup-x-header">
                    <input class="uni-date__input text-center" type="text" v-model="inputDate" :placeholder="selectDateText" />

                    <time-picker type="time" v-model="pickerTime" :border="false" :disabled="!inputDate" :start="timepickerStartTime" :end="timepickerEndTime"
                        :hideSecond="hideSecond" style="width: 100%;">
                        <input class="uni-date__input text-center" type="text" v-model="pickerTime" :placeholder="selectTimeText" :disabled="!inputDate" />
                    </time-picker>
                </view>

                <Calendar ref="pcSingle" :showMonth="false" :start-date="calendarRange.startDate" :end-date="calendarRange.endDate" :date="calendarDate"
                    @change="singleChange" :default-value="defaultValue" style="padding: 0 8px;" />

                <view v-if="hasTime" class="popup-x-footer">
                    <text class="confirm-text" @click="confirmSingleChange">{{okText}}</text>
                </view>
            </view>

            <view v-else class="uni-date-range--x" :style="pickerPositionStyle">
                <view class="uni-popper__arrow"></view>
                <view v-if="hasTime" class="popup-x-header uni-date-changed">
                    <view class="popup-x-header--datetime">
                        <input class="uni-date__input uni-date-range__input" type="text" v-model="tempRange.startDate" :placeholder="startDateText" />

                        <time-picker type="time" v-model="tempRange.startTime" :start="timepickerStartTime" :border="false" :disabled="!tempRange.startDate"
                            :hideSecond="hideSecond">
                            <input class="uni-date__input uni-date-range__input" type="text" v-model="tempRange.startTime" :placeholder="startTimeText"
                                :disabled="!tempRange.startDate" />
                        </time-picker>
                    </view>

                    <uni-icons type="arrowthinright" color="#999" style="line-height: 40px;"></uni-icons>

                    <view class="popup-x-header--datetime">
                        <input class="uni-date__input uni-date-range__input" type="text" v-model="tempRange.endDate" :placeholder="endDateText" />

                        <time-picker type="time" v-model="tempRange.endTime" :end="timepickerEndTime" :border="false" :disabled="!tempRange.endDate"
                            :hideSecond="hideSecond">
                            <input class="uni-date__input uni-date-range__input" type="text" v-model="tempRange.endTime" :placeholder="endTimeText"
                                :disabled="!tempRange.endDate" />
                        </time-picker>
                    </view>
                </view>

                <view class="popup-x-body">
                    <Calendar ref="left" :showMonth="false" :start-date="calendarRange.startDate" :end-date="calendarRange.endDate" :range="true"
                        :pleStatus="endMultipleStatus" @change="leftChange" @firstEnterCale="updateRightCale" style="padding: 0 8px;" />
                    <Calendar ref="right" :showMonth="false" :start-date="calendarRange.startDate" :end-date="calendarRange.endDate" :range="true"
                        @change="rightChange" :pleStatus="startMultipleStatus" @firstEnterCale="updateLeftCale" style="padding: 0 8px;border-left: 1px solid #F1F1F1;" />
                </view>

                <view v-if="hasTime" class="popup-x-footer">
                    <text @click="clear">{{clearText}}</text>
                    <text class="confirm-text" @click="confirmRangeChange">{{okText}}</text>
                </view>
            </view>
        </view>

        <Calendar v-if="isPhone" ref="mobile" :clearDate="false" :date="calendarDate" :defTime="mobileCalendarTime" :start-date="calendarRange.startDate"
            :end-date="calendarRange.endDate" :selectableTimes="mobSelectableTime" :startPlaceholder="startPlaceholder" :endPlaceholder="endPlaceholder"
            :default-value="defaultValue" :pleStatus="endMultipleStatus" :showMonth="false" :range="isRange" :hasTime="hasTime" :insert="false"
            :hideSecond="hideSecond" @confirm="mobileChange" @maskClose="close" />
    </view>
</template>
<script>
/**
 * DatetimePicker 时间选择器
 * @description 同时支持 PC 和移动端使用日历选择日期和日期范围
 * @tutorial https://ext.dcloud.net.cn/plugin?id=3962
 * @property {String} type 选择器类型
 * @property {String|Number|Array|Date} value 绑定值
 * @property {String} placeholder 单选择时的占位内容
 * @property {String} start 起始时间
 * @property {String} end 终止时间
 * @property {String} start-placeholder 范围选择时开始日期的占位内容
 * @property {String} end-placeholder 范围选择时结束日期的占位内容
 * @property {String} range-separator 选择范围时的分隔符
 * @property {Boolean} border = [true|false] 是否有边框
 * @property {Boolean} disabled = [true|false] 是否禁用
 * @property {Boolean} clearIcon = [true|false] 是否显示清除按钮（仅PC端适用）
 * @property {[String} defaultValue 选择器打开时默认显示的时间
 * @event {Function} change 确定日期时触发的事件
 * @event {Function} maskClick 点击遮罩层触发的事件
 * @event {Function} show 打开弹出层
 * @event {Function} close 关闭弹出层
 * @event {Function} clear 清除上次选中的状态和值
 **/
import Calendar from './calendar.vue'
import TimePicker from './time-picker.vue'
import { initVueI18n } from '@dcloudio/uni-i18n'
import i18nMessages from './i18n/index.js'
import { getDateTime, getDate, getTime, getDefaultSecond, dateCompare, checkDate, fixIosDateFormat } from './util'

export default {
    name: 'UniDatetimePicker',
    options: {
        virtualHost: true
    },
    components: {
        Calendar,
        TimePicker
    },
    data() {
        return {
            isRange: false,
            hasTime: false,
            displayValue: '',
            inputDate: '',
            calendarDate: '',
            pickerTime: '',
            calendarRange: {
                startDate: '',
                startTime: '',
                endDate: '',
                endTime: ''
            },
            displayRangeValue: {
                startDate: '',
                endDate: '',
            },
            tempRange: {
                startDate: '',
                startTime: '',
                endDate: '',
                endTime: ''
            },
            // 左右日历同步数据
            startMultipleStatus: {
                before: '',
                after: '',
                data: [],
                fulldate: ''
            },
            endMultipleStatus: {
                before: '',
                after: '',
                data: [],
                fulldate: ''
            },
            pickerVisible: false,
            pickerPositionStyle: null,
            isEmitValue: false,
            isPhone: false,
            isFirstShow: true,
            i18nT: () => { }
        }
    },
    props: {
        type: {
            type: String,
            default: 'datetime'
        },
        value: {
            type: [String, Number, Array, Date],
            default: ''
        },
        modelValue: {
            type: [String, Number, Array, Date],
            default: ''
        },
        start: {
            type: [Number, String],
            default: ''
        },
        end: {
            type: [Number, String],
            default: ''
        },
        returnType: {
            type: String,
            default: 'string'
        },
        placeholder: {
            type: String,
            default: ''
        },
        startPlaceholder: {
            type: String,
            default: ''
        },
        endPlaceholder: {
            type: String,
            default: ''
        },
        rangeSeparator: {
            type: String,
            default: '-'
        },
        border: {
            type: [Boolean],
            default: true
        },
        disabled: {
            type: [Boolean],
            default: false
        },
        clearIcon: {
            type: [Boolean],
            default: true
        },
        hideSecond: {
            type: [Boolean],
            default: false
        },
        defaultValue: {
            type: [String, Object, Array],
            default: ''
        }
    },
    watch: {
        type: {
            immediate: true,
            handler(newVal) {
                this.hasTime = newVal.indexOf('time') !== -1
                this.isRange = newVal.indexOf('range') !== -1
            }
        },
        // #ifndef VUE3
        value: {
            immediate: true,
            handler(newVal) {
                if (this.isEmitValue) {
                    this.isEmitValue = false
                    return
                }
                this.initPicker(newVal)
            }
        },
        // #endif
        // #ifdef VUE3
        modelValue: {
            immediate: true,
            handler(newVal) {
                if (this.isEmitValue) {
                    this.isEmitValue = false
                    return
                }
                this.initPicker(newVal)
            }
        },
        // #endif
        start: {
            immediate: true,
            handler(newVal) {
                if (!newVal) return
                this.calendarRange.startDate = getDate(newVal)
                if (this.hasTime) {
                    this.calendarRange.startTime = getTime(newVal)
                }
            }
        },
        end: {
            immediate: true,
            handler(newVal) {
                if (!newVal) return
                this.calendarRange.endDate = getDate(newVal)
                if (this.hasTime) {
                    this.calendarRange.endTime = getTime(newVal, this.hideSecond)
                }
            }
        },
    },
    computed: {
        timepickerStartTime() {
            const activeDate = this.isRange ? this.tempRange.startDate : this.inputDate
            return activeDate === this.calendarRange.startDate ? this.calendarRange.startTime : ''
        },
        timepickerEndTime() {
            const activeDate = this.isRange ? this.tempRange.endDate : this.inputDate
            return activeDate === this.calendarRange.endDate ? this.calendarRange.endTime : ''
        },
        mobileCalendarTime() {
            const timeRange = {
                start: this.tempRange.startTime,
                end: this.tempRange.endTime
            }
            return this.isRange ? timeRange : this.pickerTime
        },
        mobSelectableTime() {
            return {
                start: this.calendarRange.startTime,
                end: this.calendarRange.endTime
            }
        },
        datePopupWidth() {
            // todo
            return this.isRange ? 653 : 301
        },

        /**
         * for i18n
         */
        singlePlaceholderText() {
            return this.placeholder || (this.type === 'date' ? this.selectDateText : this.selectDateTimeText)
        },
        startPlaceholderText() {
            return this.startPlaceholder || this.startDateText
        },
        endPlaceholderText() {
            return this.endPlaceholder || this.endDateText
        },
        selectDateText() {
            return this.i18nT("uni-datetime-picker.selectDate")
        },
        selectDateTimeText() {
            return this.i18nT("uni-datetime-picker.selectDateTime")
        },
        selectTimeText() {
            return this.i18nT("uni-datetime-picker.selectTime")
        },
        startDateText() {
            return this.startPlaceholder || this.i18nT("uni-datetime-picker.startDate")
        },
        startTimeText() {
            return this.i18nT("uni-datetime-picker.startTime")
        },
        endDateText() {
            return this.endPlaceholder || this.i18nT("uni-datetime-picker.endDate")
        },
        endTimeText() {
            return this.i18nT("uni-datetime-picker.endTime")
        },
        okText() {
            return this.i18nT("uni-datetime-picker.ok")
        },
        clearText() {
            return this.i18nT("uni-datetime-picker.clear")
        },
        showClearIcon() {
            return this.clearIcon && !this.disabled && (this.displayValue || (this.displayRangeValue.startDate && this.displayRangeValue.endDate))
        }
    },
    created() {
        this.initI18nT()
        this.platform()
    },
    methods: {
        initI18nT() {
            const vueI18n = initVueI18n(i18nMessages)
            this.i18nT = vueI18n.t
        },
        initPicker(newVal) {
            if ((!newVal && !this.defaultValue) || Array.isArray(newVal) && !newVal.length) {
                this.$nextTick(() => {
                    this.clear(false)
                })
                return
            }

            if (!Array.isArray(newVal) && !this.isRange) {
                if (newVal) {
                    this.displayValue = this.inputDate = this.calendarDate = getDate(newVal)
                    if (this.hasTime) {
                        this.pickerTime = getTime(newVal, this.hideSecond)
                        this.displayValue = `${this.displayValue} ${this.pickerTime}`
                    }
                } else if (this.defaultValue) {
                    this.inputDate = this.calendarDate = getDate(this.defaultValue)
                    if (this.hasTime) {
                        this.pickerTime = getTime(this.defaultValue, this.hideSecond)
                    }
                }
            } else {
                const [before, after] = newVal
                if (!before && !after) return
                const beforeDate = getDate(before)
                const beforeTime = getTime(before, this.hideSecond)

                const afterDate = getDate(after)
                const afterTime = getTime(after, this.hideSecond)
                const startDate = beforeDate
                const endDate = afterDate
                this.displayRangeValue.startDate = this.tempRange.startDate = startDate
                this.displayRangeValue.endDate = this.tempRange.endDate = endDate

                if (this.hasTime) {
                    this.displayRangeValue.startDate = `${beforeDate} ${beforeTime}`
                    this.displayRangeValue.endDate = `${afterDate} ${afterTime}`
                    this.tempRange.startTime = beforeTime
                    this.tempRange.endTime = afterTime
                }
                const defaultRange = {
                    before: beforeDate,
                    after: afterDate
                }
                this.startMultipleStatus = Object.assign({}, this.startMultipleStatus, defaultRange, {
                    which: 'right'
                })
                this.endMultipleStatus = Object.assign({}, this.endMultipleStatus, defaultRange, {
                    which: 'left'
                })
            }
        },
        updateLeftCale(e) {
            const left = this.$refs.left
            // 设置范围选
            left.cale.setHoverMultiple(e.after)
            left.setDate(this.$refs.left.nowDate.fullDate)
        },
        updateRightCale(e) {
            const right = this.$refs.right
            // 设置范围选
            right.cale.setHoverMultiple(e.after)
            right.setDate(this.$refs.right.nowDate.fullDate)
        },
        platform() {
            if (typeof navigator !== "undefined") {
                this.isPhone = navigator.userAgent.toLowerCase().indexOf('mobile') !== -1
                return
            }
            const { windowWidth } = uni.getSystemInfoSync()
            this.isPhone = windowWidth <= 500
            this.windowWidth = windowWidth
        },
        show() {
            if (this.disabled) {
                return
            }
            this.platform()
            if (this.isPhone) {
                setTimeout(() => {
                    this.$refs.mobile.open()
                }, 0);
                return
            }
            this.pickerPositionStyle = {
                top: '10px'
            }
            const dateEditor = uni.createSelectorQuery().in(this).select(".uni-date-editor")
            dateEditor.boundingClientRect(rect => {
                if (this.windowWidth - rect.left < this.datePopupWidth) {
                    this.pickerPositionStyle.right = 0
                }
            }).exec()
            setTimeout(() => {
                this.pickerVisible = !this.pickerVisible
                if (!this.isPhone && this.isRange && this.isFirstShow) {
                    this.isFirstShow = false
                    const {
                        startDate,
                        endDate
                    } = this.calendarRange
                    if (startDate && endDate) {
                        if (this.diffDate(startDate, endDate) < 30) {
                            this.$refs.right.changeMonth('pre')
                        }
                    } else {
                        this.$refs.right.changeMonth('next')
                        this.$refs.right.cale.lastHover = false
                    }
                }

            }, 50)
        },
        close() {
            setTimeout(() => {
                this.pickerVisible = false
                this.$emit('maskClick', this.value)
                this.$refs.mobile && this.$refs.mobile.close()
            }, 20)
        },
        setEmit(value) {
            if (this.returnType === "timestamp" || this.returnType === "date") {
                if (!Array.isArray(value)) {
                    if (!this.hasTime) {
                        value = value + ' ' + '00:00:00'
                    }
                    value = this.createTimestamp(value)
                    if (this.returnType === "date") {
                        value = new Date(value)
                    }
                } else {
                    if (!this.hasTime) {
                        value[0] = value[0] + ' ' + '00:00:00'
                        value[1] = value[1] + ' ' + '00:00:00'
                    }
                    value[0] = this.createTimestamp(value[0])
                    value[1] = this.createTimestamp(value[1])
                    if (this.returnType === "date") {
                        value[0] = new Date(value[0])
                        value[1] = new Date(value[1])
                    }
                }
            }

            this.$emit('update:modelValue', value)
            this.$emit('input', value)
            this.$emit('change', value)
            this.isEmitValue = true
        },
        createTimestamp(date) {
            date = fixIosDateFormat(date)
            return Date.parse(new Date(date))
        },
        singleChange(e) {
            this.calendarDate = this.inputDate = e.fulldate
            if (this.hasTime) return
            this.confirmSingleChange()
        },
        confirmSingleChange() {
            if (!checkDate(this.inputDate)) {
                const now = new Date()
                this.calendarDate = this.inputDate = getDate(now)
                this.pickerTime = getTime(now, this.hideSecond)
            }

            let startLaterInputDate = false
            let startDate, startTime
            if (this.start) {
                let startString = this.start
                if (typeof this.start === 'number') {
                    startString = getDateTime(this.start, this.hideSecond)
                }
                [startDate, startTime] = startString.split(' ')
                if (this.start && !dateCompare(startDate, this.inputDate)) {
                    startLaterInputDate = true
                    this.inputDate = startDate
                }
            }

            let endEarlierInputDate = false
            let endDate, endTime
            if (this.end) {
                let endString = this.end
                if (typeof this.end === 'number') {
                    endString = getDateTime(this.end, this.hideSecond)
                }
                [endDate, endTime] = endString.split(' ')
                if (this.end && !dateCompare(this.inputDate, endDate)) {
                    endEarlierInputDate = true
                    this.inputDate = endDate
                }
            }
            if (this.hasTime) {
                if (startLaterInputDate) {
                    this.pickerTime = startTime || getDefaultSecond(this.hideSecond)
                }
                if (endEarlierInputDate) {
                    this.pickerTime = endTime || getDefaultSecond(this.hideSecond)
                }
                if (!this.pickerTime) {
                    this.pickerTime = getTime(Date.now(), this.hideSecond)
                }
                this.displayValue = `${this.inputDate} ${this.pickerTime}`
            } else {
                this.displayValue = this.inputDate
            }
            this.setEmit(this.displayValue)
            this.pickerVisible = false
        },
        leftChange(e) {
            const {
                before,
                after
            } = e.range
            this.rangeChange(before, after)
            const obj = {
                before: e.range.before,
                after: e.range.after,
                data: e.range.data,
                fulldate: e.fulldate
            }
            this.startMultipleStatus = Object.assign({}, this.startMultipleStatus, obj)
        },
        rightChange(e) {
            const {
                before,
                after
            } = e.range
            this.rangeChange(before, after)
            const obj = {
                before: e.range.before,
                after: e.range.after,
                data: e.range.data,
                fulldate: e.fulldate
            }
            this.endMultipleStatus = Object.assign({}, this.endMultipleStatus, obj)
        },
        mobileChange(e) {
            if (this.isRange) {
                const { before, after } = e.range

                if (!before || !after) {
                    return
                }

                this.handleStartAndEnd(before, after, true)
                if (this.hasTime) {
                    const {
                        startTime,
                        endTime
                    } = e.timeRange
                    this.tempRange.startTime = startTime
                    this.tempRange.endTime = endTime
                }
                this.confirmRangeChange()
            } else {
                if (this.hasTime) {
                    this.displayValue = e.fulldate + ' ' + e.time
                } else {
                    this.displayValue = e.fulldate
                }
                this.setEmit(this.displayValue)
            }
            this.$refs.mobile.close()
        },
        rangeChange(before, after) {
            if (!(before && after)) return
            this.handleStartAndEnd(before, after, true)
            if (this.hasTime) return
            this.confirmRangeChange()
        },
        confirmRangeChange() {
            if (!this.tempRange.startDate || !this.tempRange.endDate) {
                this.pickerVisible = false
                return
            }
            if (!checkDate(this.tempRange.startDate)) {
                this.tempRange.startDate = getDate(Date.now())
            }
            if (!checkDate(this.tempRange.endDate)) {
                this.tempRange.endDate = getDate(Date.now())
            }

            let start, end

            let startDateLaterRangeStartDate = false
            let startDateLaterRangeEndDate = false
            let startDate, startTime
            if (this.start) {
                let startString = this.start
                if (typeof this.start === 'number') {
                    startString = getDateTime(this.start, this.hideSecond)
                }
                [startDate, startTime] = startString.split(' ')
                if (this.start && !dateCompare(this.start, this.tempRange.startDate)) {
                    startDateLaterRangeStartDate = true
                    this.tempRange.startDate = startDate
                }
                if (this.start && !dateCompare(this.start, this.tempRange.endDate)) {
                    startDateLaterRangeEndDate = true
                    this.tempRange.endDate = startDate
                }
            }
            let endDateEarlierRangeStartDate = false
            let endDateEarlierRangeEndDate = false
            let endDate, endTime
            if (this.end) {
                let endString = this.end
                if (typeof this.end === 'number') {
                    endString = getDateTime(this.end, this.hideSecond)
                }
                [endDate, endTime] = endString.split(' ')

                if (this.end && !dateCompare(this.tempRange.startDate, this.end)) {
                    endDateEarlierRangeStartDate = true
                    this.tempRange.startDate = endDate
                }
                if (this.end && !dateCompare(this.tempRange.endDate, this.end)) {
                    endDateEarlierRangeEndDate = true
                    this.tempRange.endDate = endDate
                }
            }
            if (!this.hasTime) {
                start = this.displayRangeValue.startDate = this.tempRange.startDate
                end = this.displayRangeValue.endDate = this.tempRange.endDate
            } else {
                if (startDateLaterRangeStartDate) {
                    this.tempRange.startTime = startTime || getDefaultSecond(this.hideSecond)
                } else if (endDateEarlierRangeStartDate) {
                    this.tempRange.startTime = endTime || getDefaultSecond(this.hideSecond)
                }
                if (!this.tempRange.startTime) {
                    this.tempRange.startTime = getTime(Date.now(), this.hideSecond)
                }

                if (startDateLaterRangeEndDate) {
                    this.tempRange.endTime = startTime || getDefaultSecond(this.hideSecond)
                } else if (endDateEarlierRangeEndDate) {
                    this.tempRange.endTime = endTime || getDefaultSecond(this.hideSecond)
                }
                if (!this.tempRange.endTime) {
                    this.tempRange.endTime = getTime(Date.now(), this.hideSecond)
                }
                start = this.displayRangeValue.startDate = `${this.tempRange.startDate} ${this.tempRange.startTime}`
                end = this.displayRangeValue.endDate = `${this.tempRange.endDate} ${this.tempRange.endTime}`
            }
            if (!dateCompare(start, end)) {
                [start, end] = [end, start]
            }
            this.displayRangeValue.startDate = start
            this.displayRangeValue.endDate = end
            const displayRange = [start, end]
            this.setEmit(displayRange)
            this.pickerVisible = false
        },
        handleStartAndEnd(before, after, temp = false) {
            if (!(before && after)) return

            const type = temp ? 'tempRange' : 'range'
            const isStartEarlierEnd = dateCompare(before, after)
            this[type].startDate = isStartEarlierEnd ? before : after
            this[type].endDate = isStartEarlierEnd ? after : before
        },
        /**
         * 比较时间大小
         */
        dateCompare(startDate, endDate) {
            // 计算截止时间
            startDate = new Date(startDate.replace('-', '/').replace('-', '/'))
            // 计算详细项的截止时间
            endDate = new Date(endDate.replace('-', '/').replace('-', '/'))
            return startDate <= endDate
        },

        /**
         * 比较时间差
         */
        diffDate(startDate, endDate) {
            // 计算截止时间
            startDate = new Date(startDate.replace('-', '/').replace('-', '/'))
            // 计算详细项的截止时间
            endDate = new Date(endDate.replace('-', '/').replace('-', '/'))
            const diff = (endDate - startDate) / (24 * 60 * 60 * 1000)
            return Math.abs(diff)
        },

        clear(needEmit = true) {
            if (!this.isRange) {
                this.displayValue = ''
                this.inputDate = ''
                this.pickerTime = ''
                if (this.isPhone) {
                    this.$refs.mobile && this.$refs.mobile.clearCalender()
                } else {
                    this.$refs.pcSingle && this.$refs.pcSingle.clearCalender()
                }
                if (needEmit) {
                    this.$emit('change', '')
                    this.$emit('input', '')
                    this.$emit('update:modelValue', '')
                }
            } else {
                this.displayRangeValue.startDate = ''
                this.displayRangeValue.endDate = ''
                this.tempRange.startDate = ''
                this.tempRange.startTime = ''
                this.tempRange.endDate = ''
                this.tempRange.endTime = ''
                if (this.isPhone) {
                    this.$refs.mobile && this.$refs.mobile.clearCalender()
                } else {
                    this.$refs.left && this.$refs.left.clearCalender()
                    this.$refs.right && this.$refs.right.clearCalender()
                    this.$refs.right && this.$refs.right.changeMonth('next')
                }
                if (needEmit) {
                    this.$emit('change', [])
                    this.$emit('input', [])
                    this.$emit('update:modelValue', [])
                }
            }
        }
    }
}
</script>

<style lang="scss">
$uni-primary: #007aff !default;

.uni-date {
  width: 100%;
  flex: 1;
}
.uni-date-x {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background-color: #fff;
  color: #666;
  font-size: 14px;
  flex: 1;

  .icon-calendar {
    padding-left: 3px;
  }
  .range-separator {
    height: 35px;
    /* #ifndef MP */
    padding: 0 2px;
    /* #endif */
    line-height: 35px;
  }
}

.uni-date-x--border {
  box-sizing: border-box;
  border-radius: 4px;
  border: 1px solid #e5e5e5;
}

.uni-date-editor--x {
  display: flex;
  align-items: center;
  position: relative;
}

.uni-date-editor--x .uni-date__icon-clear {
  padding-right: 3px;
  display: flex;
  align-items: center;
  /* #ifdef H5 */
  cursor: pointer;
  /* #endif */
}

.uni-date__x-input {
  width: auto;
  height: 35px;
  /* #ifndef MP */
  padding-left: 5px;
  /* #endif */
  position: relative;
  flex: 1;
  line-height: 35px;
  font-size: 14px;
  overflow: hidden;
}

.text-center {
  text-align: center;
}

.uni-date__input {
  height: 40px;
  width: 100%;
  line-height: 40px;
  font-size: 14px;
}

.uni-date-range__input {
  text-align: center;
  max-width: 142px;
}

.uni-date-picker__container {
  position: relative;
}

.uni-date-mask--pc {
  position: fixed;
  bottom: 0px;
  top: 0px;
  left: 0px;
  right: 0px;
  background-color: rgba(0, 0, 0, 0);
  transition-duration: 0.3s;
  z-index: 996;
}

.uni-date-single--x {
  background-color: #fff;
  position: absolute;
  top: 0;
  z-index: 999;
  border: 1px solid #ebeef5;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
  border-radius: 4px;
}

.uni-date-range--x {
  background-color: #fff;
  position: absolute;
  top: 0;
  z-index: 999;
  border: 1px solid #ebeef5;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
  border-radius: 4px;
}

.uni-date-editor--x__disabled {
  opacity: 0.4;
  cursor: default;
}

.uni-date-editor--logo {
  width: 16px;
  height: 16px;
  vertical-align: middle;
}

/* 添加时间 */
.popup-x-header {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: row;
}

.popup-x-header--datetime {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: row;
  flex: 1;
}

.popup-x-body {
  display: flex;
}

.popup-x-footer {
  padding: 0 15px;
  border-top-color: #f1f1f1;
  border-top-style: solid;
  border-top-width: 1px;
  line-height: 40px;
  text-align: right;
  color: #666;
}

.popup-x-footer text:hover {
  color: $uni-primary;
  cursor: pointer;
  opacity: 0.8;
}

.popup-x-footer .confirm-text {
  margin-left: 20px;
  color: $uni-primary;
}

.uni-date-changed {
  text-align: center;
  color: #333;
  border-bottom-color: #f1f1f1;
  border-bottom-style: solid;
  border-bottom-width: 1px;
}

.uni-date-changed--time text {
  height: 50px;
  line-height: 50px;
}

.uni-date-changed .uni-date-changed--time {
  flex: 1;
}

.uni-date-changed--time-date {
  color: #333;
  opacity: 0.6;
}

.mr-50 {
  margin-right: 50px;
}

/* picker 弹出层通用的指示小三角, todo：扩展至上下左右方向定位 */
.uni-popper__arrow,
.uni-popper__arrow::after {
  position: absolute;
  display: block;
  width: 0;
  height: 0;
  border: 6px solid transparent;
  border-top-width: 0;
}

.uni-popper__arrow {
  filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.03));
  top: -6px;
  left: 10%;
  margin-right: 3px;
  border-bottom-color: #ebeef5;
}

.uni-popper__arrow::after {
  content: " ";
  top: 1px;
  margin-left: -6px;
  border-bottom-color: #fff;
}
</style>
